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An integral formulation is derived from the Biot-Savart law in conjunction with Gaussian numerical integral methods and applied to the computation of magnetic fields surrounding a two-wire... View More

An integral formulation is derived from the Biot-Savart law in conjunction with Gaussian numerical integral methods and applied to the computation of magnetic fields surrounding a two-wire twisted-pair transmission line in the static case. The results show the effects of the length of the pitch of the twisted-pair line on magnetic fields surrounding these lines and the 3-D nature of this field. It appears that, to obtain uniform heating, one should try different shapes for the exciting coils. Increasing the length of the heating coils improves the uniformity near the center of the workpiece, but has the effect of overheating at the edges. Changing the distance between the coils or the supply frequency does not have a significant effect on the heating pattern. The significance of the analysis lies in its relation to electromagnetic compatibility considerations which must be taken into account in the design of the electric power transmission and distribution system of NASA's Space Station Freedom (SSF).<>

In order to accurately analyze the magnetic field of conical-rotor permanent magnet synchronous motor (CR-PMSM), the effectiveness of two methods was studied on handling of problems concerned with non-uniform distribution of magnetic field along axial direction in CR-PMSM, which were sectional calcu...

While remote zone 3 protection relays are essential to power systems, their false trips are also one of main causes related to cascading blackouts. Although many methods have been developed on traditional power systems to address this issue, the past cascading failure events showed the ineffectivene...

This paper presents a cost-effective driving system for automotive applications based on a double rotor electrically excited flux switching machine (FSM). Benefiting from a double rotor topology, this FSM can realize a drum winding design and thus winding ends are effectively shorten and the copper ...